Chopper Circuit Online Exam Quiz
Chopper Circuit GK Quiz. Question and Answers related to Chopper Circuit. MCQ (Multiple Choice Questions with answers about Chopper Circuit
An amplitude modulated system requires less bandwidth than single side band system.
Options
A : TRUE
B : FALSE
C : -
D : -
De-emphasis circuit is used __
Options
A : before detection
B : after detection
C : before encoding
D : after encoding
For a phase modulated signal, the frequency deviation is proportional to __
Options
A : frequency only
B : amplitude only
C : only width
D : phase only
In amplitude modulated system, total sideband power is __ than the carrier power.
Options
A : always less
B : always more
C : sometimes more
D : sometimes less
In SC in DSB-SC stands for ___
Options
A : suppressed-carrier
B : single-carrier
C : sideband-carrier
D : super-carrier
Pre-emphasis is used to amplify ___ frequencies.
Options
A : low
B : high
C : both low and high
D : local oscillator
The frequency deviation is proportional to frequency in phase modulated signal.
Options
A : TRUE
B : FALSE
C : -
D : -
What is the correct statement about FM modulation index?
Options
A : increases with both modulation frequency and deviation
B : decreases with modulation frequency and increases with deviation
C : it increase with modulation frequency and decreases with deviation
D : it is equal to twice the deviation
Which is the true statement about frequency deviation in frequency modulation?
Options
A : frequency deviation is proportional to carrier signal frequency
B : frequency deviation is proportional to amplitude of carrier signal
C : frequency deviation is proportional to modulating frequency
D : frequency deviation is proportional to amplitude of modulating signal
Which mathematically term is used for calculating FM bandwidth?
Options
A : Bessel functions
B : Trigonometry
C : Taylor series
D : Fractals
Advantages of Filter Method more Online Exam Quiz
Bandwidth of FM Signal with Arbitrary m(t)
Bandwidth Requirement for PAM Transition
Carrier Acquistion Techniques in DSB-SC
Coherent Detection of DSBSC Waves